django(View): add purchase summary json endpoint.

tienda_ilusion/don_confiao/views.py

@@ -117,6 +117,7 @@ def reconciliate_jar(request):
 def reconciliations(request):
     return HttpResponse('<h1>Reconciliaciones</h1>')
 
+
 def purchase_summary(request, id):
     purchase = Sale.objects.get(pk=id)
     return render(
@@ -128,6 +129,36 @@ def purchase_summary(request, id):
     )
 
 
+def purchase_json_summary(request, id):
+    purchase = Sale.objects.get(pk=id)
+    lines = []
+    for line in purchase.saleline_set.all():
+        lines.append({
+            'product': {
+                'id': line.product.id,
+                'name': line.product.name,
+                'quantity': line.quantity,
+                'unit_price': line.unit_price,
+                'description': line.description,
+            }
+        })
+    to_response = {
+        'id': purchase.id,
+        'customer': {
+            'id': purchase.customer.id,
+            'name': purchase.customer.name,
+            # 'phone': _mask_phone(purchase.customer.phone)
+        },
+        'set_lines': lines,
+    }
+    return JsonResponse(to_response, safe=False)
+
+
+def _mask_phone(phone):
+    digits = str(phone)[-3:] if phone else " " * 3
+    return "X" * 7 + digits
+
+
 def _categories_from_csv_string(categories_string, separator="&"):
     categories = categories_string.split(separator)
     clean_categories = [c.strip() for c in categories]